Orthodox Bible & Calendar

Books & Reference · Byteblocks, LLC

Orthodox Bible & Calendar icon
2.1K ratings
4.7
Installs
100K+
Price
Free
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Orthodox Bible & Calendar screenshots

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Orthodox Bible & Calendar is a free Books & Reference app from Byteblocks, LLC, and its purpose is fairly easy to state: it puts the Orthodox Bible, the daily prayers and readings, the Psalter and the church calendar into a single place on a phone. That combination is the main reason to consider it. Most people who keep a prayer rule and follow the fasts and feasts are juggling several sources, and here the pieces sit side by side.

The app has been available since January 2023 and has passed 100,000 installs, with a 4.7 average across 2,067 ratings. Those numbers suggest a settled audience rather than a novelty, which fits a reference app whose value depends on being reliable week after week. It carries a content rating of Everyone.

What I find most interesting is the translation choice. The Old Testament is rendered from the Septuagint, the Greek version of the Scriptures used by the Apostles and still read in the Orthodox Church, and the complete New Testament accompanies it. For anyone who has wanted the Septuagint Old Testament in English on a phone, the developer has built precisely that, and it anchors everything else in the app.

Who tends to get the most from this app

The developer describes the app as a companion for catechumens, lifelong Orthodox Christians and people just beginning to explore Orthodoxy. I would expect that range to hold up. Someone preparing for reception into the Church can read the appointed passages, learn the morning and evening prayers, and watch the calendar move through its seasons without needing a shelf of books.

The people who will lean on it hardest, though, are those already keeping a daily rule. The app is built around repetition: prayers in the morning and evening, readings appointed for each day, a Psalter plan that moves through the Psalms in order. Anyone who wants a structure handed to them rather than assembled from scratch will get the most out of it.

It also suits readers who care about the text itself. If the difference between a Septuagint Old Testament and a modern translation matters to you, that distinction is the heart of the app rather than a footnote. Someone who simply wants a general-purpose Bible reader with study tools will find this one narrower in its intentions.

Scripture in the Septuagint tradition

The core of the app is the Bible text: the Septuagint Old Testament in English alongside the complete New Testament. Both Testaments are present, so a reader can move from one to the other without leaving the app. The developer frames the Septuagint as the translation the Apostles used and the one still read in the Church, and that framing explains why the app exists at all.

Reading plans give the text a schedule. You can follow a structured plan that carries you through the Old and New Testaments, and the app keeps your place as you go, which matters more than it sounds. A plan that loses your position after a missed day is easy to abandon; one that remembers where you stopped is easier to return to.

The Psalter is treated with the same care. The Psalms are arranged in kathismata, the groupings the Orthodox Church uses in its praying, and a reading and listening plan runs through them. Audio Psalms let you hear the text read aloud, either a whole kathisma or a single psalm at a time. That gives the app a second mode of use.

Daily readings and the prayers of the Church

The daily readings section presents the Scripture passages appointed for each day, so the app can be opened in the morning and the day's texts are already there. This is the feature that turns a Bible app into a daily habit. Instead of deciding what to read, you accept what the Church has set for that date.

The developer's intent is that you open the app at the start and end of the day and find the right prayers waiting. That is a modest promise, but a useful one: the value is in not having to hunt through a book or remember where a particular prayer sits.

Taken together, the readings and prayers give the app a rhythm, with fixed points in the morning and evening and a shorter blessing before eating. I would expect people who already keep something like this rule to slot the app in.

The calendar of feasts and fasts

The calendar covers the liturgical year, including Pascha, the Nativity of Christ, Theophany and the Dormition of the Theotokos, along with the great feasts and the fasting seasons. It is a full feast and fasting calendar rather than a list of major holidays, which is what makes it useful for planning rather than just reference.

The developer notes that Orthodox dates are reckoned by a different calendar than the civil Gregorian one, so Pascha and many feasts land on other dates than in the West. Keeping those dates visible is the practical job of this section. Anyone who has ever had to check twice about when a fast begins will understand the appeal.

The calendar is meant to support discipline, reflection on Christ's life and teachings, and a shared prayer rhythm with Orthodox Christians worldwide. Those are claims about what the practice does for a person rather than about the software, and I would treat them as the developer's framing of why the calendar is included.

What it costs and what that buys

The app is free to download, and it contains no ads. It also offers in-app purchases, so part of it is paid. I would go in expecting the free download to be the starting point rather than the whole picture, and decide from there.

That is a reasonable arrangement for a reference app. A free download with no advertising lets you judge the text, the prayers and the calendar on their own merits.

If a particular feature matters to you, the sensible approach is to install the app, look at that feature, and see where it sits before committing money.

How it compares with the alternatives

The obvious comparison is a general Bible app. Those tend to offer many translations, commentary, study notes and reading plans across traditions, and they are built for breadth. This app goes the other way. It is organized around Orthodox practice, and the Septuagint Old Testament is central rather than one option among many. If you want a library of translations to compare, a general reader will serve you better.

A second alternative is a printed prayer book and a wall calendar, which have the advantage of needing no battery and the disadvantage of not traveling well. The app's case rests on having the readings, prayers, Psalter and calendar together in one place. For someone who already carries a prayer book everywhere, the gain is convenience rather than content.

A third comparison is a dedicated Orthodox calendar app or website. Those suit readers who mainly want dates and fasting rules, while the Scripture and prayer material sits alongside them in the same app. This app's argument is integration: the calendar tells you where you are in the year, and the readings and prayers for that day are in the same place. That is a narrow advantage, but a real one for daily use.

A settled choice for a daily Orthodox rule

Orthodox Bible & Calendar does one thing with focus: it gathers the Septuagint Old Testament and the New Testament, the appointed daily readings, the daily prayers, the Psalter with its kathismata and audio, reading plans and the feast and fasting calendar into a free app. It is not trying to be a general-purpose study Bible, and it does not need to be.

I would recommend it to Orthodox Christians who want a daily rule supported by an app, and to catechumens or curious readers who want to follow the Church's readings and calendar while they learn. The Septuagint text is the strongest reason to choose it over a generic Bible reader.

The caveats are straightforward. It is free with no ads but does include in-app purchases, so budget accordingly. And its scope is deliberately Orthodox, which is a strength for the intended reader and a limitation for anyone who wants a broad, multi-tradition study tool. For the audience it is built for, the 4.7 rating from over 2,000 people looks like a fair reflection of a dependable daily companion.

The short verdict

A focused, free Orthodox companion that puts the Septuagint Bible, daily prayers, Psalter and church calendar in one place.

App specs

  • Version7.3.0
  • UpdatedOctober 5, 2026
  • Downloads100K+
  • RequiresAndroid 7.0+
  • PriceFree
  • Age ratingEveryone

Orthodox Bible & Calendar: frequently asked questions

What Bible translation does Orthodox Bible & Calendar use?

The complete New Testament is included alongside it, so both Testaments are available in the app. The Old Testament is presented in English from the Septuagint.

Does the app include daily prayers and readings?

Yes. It gives the day's appointed Scripture readings and a prayer section covering morning and evening, meals, and the Most Holy Theotokos. The idea is that you open the app at the start and end of the day and the appropriate prayers and readings are already there. That supports keeping a fixed daily rhythm.

Can I listen to the Psalms instead of reading them?

The app includes audio Psalms, read aloud either one psalm at a time or a whole kathisma. The Psalms are grouped into kathismata as Orthodox practice has them, with a plan for reading and listening through the whole book. Listening is useful when your hands are occupied.

How does the calendar handle Orthodox dates?

Orthodox dates follow a different reckoning from the civil Gregorian calendar, so Pascha and many feasts land on other days than in the West. The app keeps a full feast and fasting calendar for the liturgical year, including Pascha, the Nativity of Christ, Theophany and the Dormition of the Theotokos. The aim is to keep the correct dates in front of you so you do not miss a feast or a fast.

Is Orthodox Bible & Calendar free?

The app is free to download and it contains no ads. It also offers in-app purchases, so part of it is paid. You can install it at no cost.

Pros

  • Septuagint Old Testament with the full New Testament
  • Daily readings and prayers for morning and evening
  • Psalter in kathismata with audio and a plan
  • Feast and fasting calendar for the liturgical year
  • Free download with no advertising

Cons

  • In-app purchases are offered
  • Scope is specifically Orthodox
  • Purchase details are not set out

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